21228186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4637}}^1$

素因数の和:4758

約数の個数: 32

約数和(自身を含む): 48977280

約数和(自身を除く): 27749094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4578, 4637, 9274, 13911, 27822, 32459, 64918, 97377, 194754, 505433, 1010866, 1516299, 3032598, 3538031, 7076062, 10614093, 21228186]

約数ペア:

[(1, 21228186), (2, 10614093), (3, 7076062), (6, 3538031), (7, 3032598), (14, 1516299), (21, 1010866), (42, 505433), (109, 194754), (218, 97377), (327, 64918), (654, 32459), (763, 27822), (1526, 13911), (2289, 9274), (4578, 4637)]